Tirzepatide 99.3% Purity — GenpeptideCertificate of Analysis · Independent third-party lab result

Name: Tirzepatide COA — Genpeptide (99.3% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.3% High purity · 99.334%

Dose vs label +3.3% Essentially at label

Evidence URL referenced

Test date: 2026-01-08
Testing lab: Freedom Diagnostics
Batch / lot: GPTIR15122825
Quantity: 15.49 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 15mg

Context

How this result compares

This Tirzepatide certificate's tested purity of 99.33% ranks higher than 8% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-01-08 by Freedom Diagnostics via HPLC + MS. This test is newer than 53% of our catalogued Tirzepatide certificates.

Genpeptide has 84 certificates in our corpus, including 11 for Tirzepatide at a median tested purity of 99.85%.

Manufacturer

Genpeptide

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Source

freedom_diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method: HPLC + MS
Test type: freedom_composite
Dose: 15mg
Catalogued: 2026-07-04

Other Tirzepatide certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Genpeptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →